Thread: No Heat
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Old 10-13-2002, 06:13 PM
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No Heat

I have a 1993 300SE with 106,000. The Air Conditioner works fine. But when I press the heat air supply button (the red indicator) and turn the temperature selector up to 90'F, the air that coming out is not getting warm or hot. Also, when I turn the air volume selector to MAX I hear rumbling noises. Any suggestions what may be causing this?
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